Created attachment 201056 [details] patch to fix build with upcoming bash 5.0 update shells/bash is about to be updated to 5.0. The attached patch fixes build with the new major version.
A commit references this bug: Author: leres Date: Sat Jan 12 19:52:12 UTC 2019 New revision: 490078 URL: https://svnweb.freebsd.org/changeset/ports/490078 Log: Patch devel/xtensa-esp32-elf to build with bash 5.0. Tweak Makefile variable order as per portlint while we're here. PR: 234892 Submitted by: ehaupt Approved by: ler (mentor, implicit) Changes: head/devel/xtensa-esp32-elf/Makefile
Thanks for the patch!